Why the study?
What is the daily warfarin dose required to maintain stable anticoagulation in elderly patients with chronic atrial fibrillation?
Population
112 consecutive outpatients with chronic atrial fibrillation, >65 years of age, receiving warfarin therapy…
Design
Cohort
Follow-up
>1 year
Authors
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May inform initial dosing in elderly AF; extends observational data but does not yet support guideline changes.
What is the daily warfarin dose required to maintain stable anticoagulation in elderly patients with chronic atrial fibrillation?
In elderly patients with chronic atrial fibrillation, stable anticoagulation is typically achieved with a daily warfarin dose of 2 to 5 mg, regardless of further age stratification above 65 years.
Mansur et al. (2012) studied this question.
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